Rheem 38- User Manual

Rheem 38

Rheem 38– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – SVC 810 Tankless Troubleshooting Manual; Table of Contents
  • Page 3 – Disassembly and Repair – 1
  • Page 5 – Specifications common to all product lines
  • Page 6 – Second Generation
  • Page 8 – Sequence of Operations; Action
  • Page 9 – Sensors and Safety; Oxygen Depletion Sensing System Operation
  • Page 10 – How to Reset the Four (4) Hour ODS Timer
  • Page 11 – Heat Exchanger Thermistor; Maintenance Panel Display
  • Page 12 – Clearing the Fault History; When replaci n g the printed circuit boards adjust as follows.
  • Page 13 – How to Check Manifold Gas Pressure
  • Page 14 – Program Chip Adjustment; Remove the front cover.
  • Page 16 – Error Codes
  • Page 19 – Diagnostic Points on Printed Circuit Board
  • Page 20 – Thermistor Resistance Chart
  • Page 21 – Fan Speed Chart
  • Page 22 – Wiring Diagram
  • Page 23 – Printed Circuit Board
  • Page 24 – Wiring Diagram – RTG 53
  • Page 25 – Printed Circuit Board – RTG 53
  • Page 35 – Wiring Diagram – RTG 74
  • Page 36 – Printed Circuit Board – RTG 74
  • Page 37 – MIC-180 Printed Circuit Board
  • Page 38 – Test Run Mode; Remove the front cover of the manifold controller.
  • Page 39 – MIC 180 Maintenance Mode Table; SW2 Group Number; Maintenance Information Mode
  • Page 40 – nd Generation Flame Rod Chart; y display; Flame Rod 1
  • Page 41 – Troubleshooting; When measuring; CAUTION; Troubleshooting Format and Example
  • Page 42 – Unit Will Not Power On
  • Page 45 – Error Code 00; after August 2006 do not have a 60 minute timer.); Warning Code 05; Clean air inlet filter.
  • Page 50 – Error Code 12; Bleed all air from gas lines.
  • Page 51 – Error Code 13
  • Page 52 – Error Code 14; Check gas type of unit and ensure it matches gas type being used.
  • Page 53 – Error Code 15; Check for restrictions in airflow around unit and vent terminal.
  • Page 54 – Error Code 16; Make sure air filter door is properly seated and clean.
  • Page 55 – Error Code 24; Disconnect remote control and retry.; Error Code 29
  • Page 56 – Error Code 31
  • Page 57 – Error Code 33
  • Page 59 – Error Code 52
  • Page 60 – Error Code 61; Check Molex connections of the PCB.; Error Code 65; Access maintenance information to determine flow rate.
  • Page 61 – Error Code 71
  • Page 62 – Error Code 76; Check remote control wiring for loose or damaged connections.; Error Code 79; Check fan motor for presence of moisture of condensation.; Error Code 82; Check for the presence of the program chip installed on the PCB.
  • Page 63 – Error Code 90; Is the entire vent structure clear and clean of any obstructions?
  • Page 64 – virgin food grade white vinegar
  • Page 65 – Warning Code P1; Generation 7.4 product series
  • Page 66 – Air Filter Switch; Connection Cold Water Inlet Thermistor
  • Page 68 – Fan Assembly; Step 1 and
  • Page 69 – Proportional Gas Flow Regulator; Step1 and
  • Page 70 – Burner Plate Cover; Step 7 and
  • Page 71 – Igniter and Igniter Probes
  • Page 72 – Parts; Picture
  • Page 75 – Parts Exploded View for RTG2-42PV and RTG 53PV
  • Page 76 – Parts Exploded View for RTG 53X
  • Page 77 – Parts Exploded View for RTG 53DV
  • Page 78 – Parts Exploded View for RTG 66DV
  • Page 79 – Parts Exploded View for RTG 74PV and GT 199PV
  • Page 80 – Parts Exploded View for RTG 74DV and GT 199DV
  • Page 81 – Parts Exploded View for RTG 74X and GT 199X
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Tankless Gas Water Heaters
Second Generation
Indoor, Outdoor and Direct Vent

Up to 199,000 BTU


Includes RTG2-42, RTG53, RTG66 and RTG74 models
































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Summary

Page 2 - SVC 810 Tankless Troubleshooting Manual; Table of Contents

SVC 810 Tankless Troubleshooting Manual 1 Table of Contents Specifications common to all product lines ................................................................................ 4 Product (Model) History .............................................................................................

Page 3 - Disassembly and Repair – 1

SVC 810 Tankless Troubleshooting Manual 2 Troubleshooting .......................................................................................................................... 40 Troubleshooting Format and Example.....................................................................................

Page 5 - Specifications common to all product lines

SVC 810 Tankless Troubleshooting Manual 4 Specifications common to all product lines Model See specification sheets for current models and specs Purpose Domestic Hot Water (DHW) supply for showers, cleaning and laundry Rated Gas Input (Btu/Hr.) Modulating See specification sheets for current models ...

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